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- // Copyright 2018 Google LLC
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
-
- package pubsub_test
-
- import (
- "strconv"
- "sync"
- "testing"
-
- "golang.org/x/net/context"
-
- "cloud.google.com/go/pubsub"
- "cloud.google.com/go/pubsub/pstest"
- "google.golang.org/api/option"
- "google.golang.org/grpc"
- )
-
- func TestPSTest(t *testing.T) {
- ctx := context.Background()
- srv := pstest.NewServer()
-
- conn, err := grpc.Dial(srv.Addr, grpc.WithInsecure())
- if err != nil {
- panic(err)
- }
-
- client, err := pubsub.NewClient(ctx, "some-project", option.WithGRPCConn(conn))
- if err != nil {
- panic(err)
- }
- defer client.Close()
-
- topic, err := client.CreateTopic(ctx, "test-topic")
- if err != nil {
- panic(err)
- }
-
- sub, err := client.CreateSubscription(ctx, "sub-name", pubsub.SubscriptionConfig{Topic: topic})
- if err != nil {
- panic(err)
- }
-
- go func() {
- for i := 0; i < 10; i++ {
- srv.Publish("projects/some-project/topics/test-topic", []byte(strconv.Itoa(i)), nil)
- }
- }()
-
- ctx, cancel := context.WithCancel(ctx)
- var mu sync.Mutex
- count := 0
- err = sub.Receive(ctx, func(ctx context.Context, m *pubsub.Message) {
- mu.Lock()
- count++
- if count >= 10 {
- cancel()
- }
- mu.Unlock()
- m.Ack()
- })
- if err != nil {
- panic(err)
- }
- }
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